CN109489288B - Sound insulation and noise reduction device of air-cooled screw unit - Google Patents

Sound insulation and noise reduction device of air-cooled screw unit Download PDF

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Publication number
CN109489288B
CN109489288B CN201811346028.5A CN201811346028A CN109489288B CN 109489288 B CN109489288 B CN 109489288B CN 201811346028 A CN201811346028 A CN 201811346028A CN 109489288 B CN109489288 B CN 109489288B
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China
Prior art keywords
sound
sound insulation
air
fixing
screw unit
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CN201811346028.5A
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CN109489288A (en
Inventor
杜贤平
华青梅
杭文斌
丰野
许如亚
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Kochem Electric Appliance Co Ltd
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Kochem Electric Appliance Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • F25B1/04Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • F25B1/047Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/12Sound

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a sound insulation and noise reduction device of an air-cooled screw unit, and belongs to the technical field of cold screws. The invention comprises a first sound-insulation fence and a second sound-insulation fence which are alternately arranged on the outer peripheral side of an air-cooled screw unit body, and a sound-insulation cover arranged on the top of the air-cooled screw unit body, wherein the first sound-insulation fence consists of four first sound-insulation enclosing plates which are distributed in a rectangular shape; the second sound-proof enclosure consists of two second sound-proof enclosing plates and two third sound-proof enclosing plates; the two second sound insulation surrounding plates and the two third sound insulation surrounding plates are distributed in a rectangular shape; first baffle, second baffle and third baffle all install in the air-cooled screw rod unit body outside through the mounting. According to the invention, the first sound-insulating fence and the second sound-insulating fence which are alternately arranged are arranged on the periphery of the air-cooled screw unit body, and the sound-insulating cover is arranged on the top of the air-cooled screw unit body, so that the transmission of noise generated by the air-cooled screw unit during working is isolated, and the harm of the noise generated by the air-cooled screw unit to a human body is solved.

Description

Sound insulation and noise reduction device of air-cooled screw unit
Technical Field
The invention belongs to the technical field of cold screws, and particularly relates to a sound insulation and noise reduction device of an air-cooled screw unit.
Background
The noise generated when the air-cooled screw unit operates mainly comprises a compressor, a fan, an expansion valve, air flow and the like, and when a plurality of units work simultaneously, the noise superposition is more obvious. When the air conditioner main machine operates, the air conditioner main machine needs large air quantity to perform heat exchange, and meanwhile, large noise is generated. The harm of noise to human body is systemic, which can not only cause the change of auditory system, but also can affect the non-auditory system; therefore, the problem to be solved by the invention is how to reduce or isolate the noise generated when the air-cooled screw unit works.
Disclosure of Invention
The invention aims to provide a sound insulation and noise reduction device of an air-cooled screw unit, which is characterized in that a first sound insulation fence and a second sound insulation fence which are alternately arranged are arranged on the periphery of the air-cooled screw unit body, and a sound insulation cover is arranged on the top of the air-cooled screw unit body, so that the transmission of noise generated when the air-cooled screw unit works is isolated, and the harm of the noise generated by the air-cooled screw unit to a human body is avoided.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a sound insulation and noise reduction device of an air-cooled screw unit, which comprises a first sound insulation fence, a second sound insulation fence and a sound insulation cover, wherein the first sound insulation fence and the second sound insulation fence are alternately arranged on the outer peripheral side of an air-cooled screw unit body;
the second sound-proof enclosure consists of two second sound-proof enclosing plates and two third sound-proof enclosing plates; the two second sound insulation surrounding plates and the two third sound insulation surrounding plates are distributed in a rectangular shape;
the first sound insulation enclosing plate, the second sound insulation enclosing plate and the third sound insulation enclosing plate are all arranged on the outer side of the air-cooled screw unit body through fixing pieces;
wherein, the fixing part comprises a fixed supporting substrate; a plurality of first fixing mechanisms are arranged on one surface of the fixed supporting substrate; the first fixing mechanism comprises a first fixing column fixed on the surface of the fixed supporting substrate, and a first fixing base pin is arranged at the end part of the first fixing column; the other surface of the fixed supporting substrate is provided with a plurality of second fixing mechanisms; the second fixing mechanism comprises a second fixing column fixed on the surface of the fixed support substrate, and a second fixing footing is arranged at the end part of the second fixing column; a plurality of support columns are arranged on one side surface of the fixed support substrate;
the outer side wall of the air-cooled screw unit body is provided with a plurality of fixing substrates.
Furthermore, the sound insulation cover is fixedly installed at the top of the air-cooled screw unit body through a plurality of supporting upright posts.
Furthermore, the first fixing footing and the fixing base plate are respectively provided with a fixing threaded hole for fixedly installing the fixing piece on the outer side of the air-cooled screw unit body.
Furthermore, the first sound insulation enclosing plate is a rectangular plate; a plurality of fixed seats matched with the supporting columns one by one are arranged on one surface of the first sound-insulating enclosing plate, slotted holes matched with the supporting columns in an inserting mode are formed in the fixed seats, and a first fixing screw hole communicated with the slotted holes is further formed in the fixed seats; the support column end is provided with a first threaded blind hole matched with the first fixing screw hole.
Furthermore, the second sound insulation surrounding plate is a rectangular plate, a first clamping block used for being clamped on the first fixing base pin is arranged on one surface of the second sound insulation surrounding plate, a second fixing screw hole is formed in the first clamping block, and a second threaded blind hole matched with the second fixing screw hole is formed in the first fixing base pin; the first clamping block is of an L-shaped structure.
Furthermore, the third sound insulation surrounding plate is a rectangular plate, a second clamping block used for being clamped on the first fixing footing is arranged on one surface of the third sound insulation surrounding plate, and a third fixing screw hole matched with the second threaded blind hole is formed in the second clamping block; one surface of the third sound-insulating enclosing plate is also provided with a limiting convex strip used for being matched with and mounting the second sound-insulating enclosing plate; the limiting convex strips are symmetrically arranged at two ends of the third sound insulation enclosing plate; the second clamping block is of an L-shaped structure.
Further, the distance between two adjacent first soundproof fences is 0.7 to 0.8 times the width of the first soundproof fence.
Furthermore, two adjacent first sound-proof fences are symmetrically distributed along a second sound-proof fence positioned in the middle.
Furthermore, the first sound-insulation enclosing plate, the second sound-insulation enclosing plate and the third sound-insulation enclosing plate are all made of sound-insulation material plates; the sound insulation material board comprises a first plastic outer layer, a first foam sound insulation layer, a vacuum sound insulation layer, a second foam sound insulation layer and a second plastic outer layer in sequence.
Furthermore, the first plastic outer layer and the second plastic outer layer are both provided with a metal skin layer.
The invention has the following beneficial effects:
according to the invention, the first sound-insulating fence and the second sound-insulating fence which are alternately arranged are arranged on the peripheral side of the air-cooled screw unit body, and the sound-insulating cover is arranged on the top of the air-cooled screw unit body, so that the transmission of noise generated by the air-cooled screw unit during working is isolated, and the harm of the noise generated by the air-cooled screw unit to a human body is solved; the sound insulation and noise reduction device provided by the invention has the advantages of simple structure, convenience in installation, excellent sound insulation and noise reduction effects and excellent ventilation performance.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the sound-insulating and noise-reducing device of the present invention from a top view;
FIG. 2 is a schematic front view of the mounting structure of the noise-reducing and sound-insulating device of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic bottom view of the installation structure of the noise reduction and sound insulation device of the present invention;
FIG. 5 is a schematic view of the acoustic cover mounting structure of the present invention;
FIG. 6 is a schematic view of the fastener of the present invention;
FIG. 7 is a schematic structural view of a second acoustical shroud in accordance with the present invention;
FIG. 8 is a schematic structural view of a third acoustic shroud in accordance with the present invention;
fig. 9 is a schematic view of a first acoustic shroud construction according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-5, the invention is a sound insulation and noise reduction device for an air-cooled screw unit, comprising two first sound insulation fences and two second sound insulation fences which are alternately arranged on the peripheral side of an air-cooled screw unit body 1, and a sound insulation cover 3 arranged on the top of the air-cooled screw unit body 1, wherein the first sound insulation fence is composed of four first sound insulation surrounding plates 6 which are distributed in a rectangular shape;
the second sound-proof enclosure consists of two second sound-proof enclosing plates 4 and two third sound-proof enclosing plates 5; the two second sound insulation surrounding plates 4 and the two third sound insulation surrounding plates 5 are distributed in a rectangular shape;
the first sound insulation enclosing plate 6, the second sound insulation enclosing plate 4 and the third sound insulation enclosing plate 5 are all arranged on the outer side of the air-cooled screw unit body 1 through fixing pieces 2;
referring to fig. 6, the fixing member 2 includes a fixing support substrate 21; a plurality of first fixing mechanisms are arranged on one surface of the fixed supporting substrate 21; the first fixing mechanism comprises a first fixing column 22 fixed on the surface of the fixed supporting substrate 21, and a first fixing base 23 is arranged at the end part of the first fixing column 22; the other surface of the fixed supporting substrate 21 is provided with a plurality of second fixing mechanisms; the second fixing mechanism comprises a second fixing column 24 fixed on the surface of the fixed supporting substrate 21, and a second fixing base pin 25 is arranged at the end part of the second fixing column 24; a plurality of support columns 26 are arranged on one side surface of the fixed support base plate 21;
referring to fig. 5, a plurality of fixing substrates 11 are disposed on the outer side wall of the air-cooled screw unit body 1.
Preferably, the soundproof cover 3 is fixedly installed on the top of the air-cooled screw unit body 1 through a plurality of support columns 31.
Preferably, the first fixing base 23 and the fixing base plate 11 are respectively provided with a fixing threaded hole for fixedly mounting the fixing member 2 on the outer side of the air-cooled screw unit body 1.
Referring to fig. 9, preferably, the first sound-insulating enclosing plate 6 is a rectangular plate; a plurality of fixed seats 61 matched with the supporting columns 26 one by one are arranged on one surface of the first sound-insulating enclosing plate 6, slotted holes 62 matched with the supporting columns 26 in an inserting way are arranged on the fixed seats 61, and a first fixing screw hole 63 communicated with the slotted holes 62 is also arranged on the fixed seats 61; the end of the supporting column 26 is provided with a first threaded blind hole matched with the first fixing screw hole 63.
Referring to fig. 7, preferably, the second sound-insulating enclosing plate 4 is a rectangular plate, a first clamping block 41 for being clamped on the first fixing base 23 is disposed on a surface of the second sound-insulating enclosing plate 4, a second fixing screw hole 42 is disposed on the first clamping block 41, and a second threaded blind hole matched with the second fixing screw hole 42 is disposed on the first fixing base 23; the first latch 41 has an L-shaped structure.
Referring to fig. 8, preferably, the third sound-insulating enclosing plate 5 is a rectangular plate, a second fixture block 51 for being clamped on the first fixing base 23 is disposed on a surface of the third sound-insulating enclosing plate 5, and a third fixing screw hole 52 matched with the second threaded blind hole is disposed on the second fixture block 51; one surface of the third sound-insulating enclosing plate 5 is also provided with a limiting convex strip 53 for matching and installing the second sound-insulating enclosing plate 4; the limiting convex strips 53 are symmetrically arranged at two ends of the third sound insulation enclosing plate 5; the second latch 51 has an L-shaped structure.
Preferably, the distance between two adjacent first sound-deadening fences is 0.75 to 0.85 times the width of the first sound-deadening fence 6.
Preferably, two adjacent first sound-insulating fences are symmetrically distributed along a second sound-insulating fence located in the middle.
Preferably, the first sound-insulating enclosing plate 6, the second sound-insulating enclosing plate 4 and the third sound-insulating enclosing plate 5 are all made of sound-insulating materials; the sound insulation material plate sequentially comprises a first plastic outer layer, a first foam sound insulation layer, a vacuum sound insulation layer, a second foam sound insulation layer and a second plastic outer layer.
Preferably, the first and second outer plastic layers are each provided with a metal skin layer.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a device of making an uproar falls in giving sound insulation of air-cooled screw unit, is first sound-proof rail and the second sound-proof rail that sets up in turn including installing at air-cooled screw unit body (1) periphery side to and install at the lid (3) that gives sound insulation at air-cooled screw unit body (1) top, its characterized in that:
the first sound-proof fence is composed of four first sound-proof enclosing plates (6) which are distributed in a rectangular shape;
the second sound-proof fence is composed of two second sound-proof enclosing plates (4) and two third sound-proof enclosing plates (5); the two second sound insulation surrounding plates (4) and the two third sound insulation surrounding plates (5) are distributed in a rectangular shape;
the first sound insulation enclosing plate (6), the second sound insulation enclosing plate (4) and the third sound insulation enclosing plate (5) are all arranged on the outer side of the air-cooled screw unit body (1) through fixing pieces (2);
wherein, the fixing part (2) comprises a fixing support base plate (21); a plurality of first fixing mechanisms are arranged on one surface of the fixed supporting substrate (21); the first fixing mechanism comprises a first fixing column (22) fixed on the surface of the fixed supporting substrate (21), and a first fixing base pin (23) is arranged at the end part of the first fixing column (22); the other surface of the fixed supporting substrate (21) is provided with a plurality of second fixing mechanisms; the second fixing mechanism comprises a second fixing column (24) fixed on the surface of the fixed supporting substrate (21), and a second fixing base (25) is arranged at the end part of the second fixing column (24); a plurality of supporting columns (26) are further arranged on one side surface of the fixed supporting base plate (21);
the outer side wall of the air-cooled screw unit body (1) is provided with a plurality of fixed substrates (11).
2. The sound insulation and noise reduction device of the air-cooled screw unit is characterized in that the sound insulation cover (3) is fixedly arranged at the top of the air-cooled screw unit body (1) through a plurality of supporting upright posts (31).
3. The sound insulation and noise reduction device of the air-cooled screw unit according to claim 1, wherein the first fixing base (23) and the fixing base plate (11) are respectively provided with a fixing threaded hole for fixedly mounting the fixing piece (2) on the outer side of the air-cooled screw unit body (1).
4. The sound insulation and noise reduction device of the air-cooled screw unit according to claim 1, wherein the first sound insulation enclosure plate (6) is a rectangular plate; a plurality of fixed seats (61) which are matched with the supporting columns (26) one by one are arranged on one surface of the first sound-insulating enclosing plate (6), slotted holes (62) which are in inserting fit with the supporting columns (26) are formed in the fixed seats (61), and first fixed screw holes (63) which are communicated with the slotted holes (62) are also formed in the fixed seats (61); the end part of the supporting column (26) is provided with a first threaded blind hole matched with the first fixing screw hole (63).
5. The sound insulation and noise reduction device of the air-cooled screw unit according to claim 1, wherein the second sound insulation surrounding plate (4) is a rectangular plate, a first clamping block (41) for clamping on the first fixing base pin (23) is arranged on one surface of the second sound insulation surrounding plate (4), a second fixing screw hole (42) is arranged on the first clamping block (41), and a second threaded blind hole matched with the second fixing screw hole (42) is arranged on the first fixing base pin (23); the first clamping block (41) is of an L-shaped structure.
6. The sound insulation and noise reduction device of the air cooling screw unit according to claim 5, wherein the third sound insulation surrounding plate (5) is a rectangular plate, a second clamping block (51) for clamping on the first fixing base pin (23) is arranged on one surface of the third sound insulation surrounding plate (5), and a third fixing screw hole (52) matched with the second threaded blind hole is arranged on the second clamping block (51); one surface of the third sound insulation enclosing plate (5) is also provided with a limiting convex strip (53) used for being matched with and installing the second sound insulation enclosing plate (4); the limiting convex strips (53) are symmetrically arranged at two ends of the third sound insulation enclosing plate (5); the second fixture block (51) is of an L-shaped structure.
7. The sound-insulating and noise-reducing device of the air-cooled screw unit is characterized in that the distance between two adjacent first sound-insulating fences is 0.75-0.85 times the width of the first sound-insulating enclosing plate (6).
8. The sound-insulating and noise-reducing device of an air-cooled screw unit according to claim 1, wherein two adjacent first sound-insulating fences are symmetrically distributed along a second sound-insulating fence located in the middle.
9. The sound insulation and noise reduction device of the air-cooled screw unit according to claim 1, wherein the first sound insulation enclosure plate (6), the second sound insulation enclosure plate (4) and the third sound insulation enclosure plate (5) are all made of a sound insulation material plate; the sound insulation material board comprises a first plastic outer layer, a first foam sound insulation layer, a vacuum sound insulation layer, a second foam sound insulation layer and a second plastic outer layer in sequence.
10. The sound insulation and noise reduction device of the air-cooled screw unit according to claim 9, wherein the first plastic outer layer and the second plastic outer layer are provided with a metal skin layer.
CN201811346028.5A 2018-11-13 2018-11-13 Sound insulation and noise reduction device of air-cooled screw unit Active CN109489288B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811346028.5A CN109489288B (en) 2018-11-13 2018-11-13 Sound insulation and noise reduction device of air-cooled screw unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811346028.5A CN109489288B (en) 2018-11-13 2018-11-13 Sound insulation and noise reduction device of air-cooled screw unit

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CN109489288A CN109489288A (en) 2019-03-19
CN109489288B true CN109489288B (en) 2020-09-18

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2876612Y (en) * 2006-01-11 2007-03-07 北京绿创声学工程股份有限公司 Silencer for ventilation system of Heating ventilating and air conditioning
KR101255216B1 (en) * 2010-06-11 2013-04-23 주식회사 크림슨 Soundproof block connection structure
CN205777058U (en) * 2016-05-23 2016-12-07 江苏建筑职业技术学院 A kind of light sound-proof wall plate with convenient dismounting function
CN207048327U (en) * 2017-05-31 2018-02-27 上海建工集团股份有限公司 Denoising device
CN207247508U (en) * 2017-09-22 2018-04-17 纽稳顿(上海)环境科技有限公司 Fresh air system denoising device

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Denomination of invention: A sound insulation and noise reduction device for air-cooled screw unit

Effective date of registration: 20210915

Granted publication date: 20200918

Pledgee: Anhui Science and technology Financing Guarantee Co.,Ltd.

Pledgor: KOCHEM ELECTRICAL Co.,Ltd.

Registration number: Y2021980009423

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Date of cancellation: 20231115

Granted publication date: 20200918

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Pledgor: KOCHEM ELECTRICAL Co.,Ltd.

Registration number: Y2021980009423